Can some one answer this question

A student suspects that an e-commerce company is tracking her online shopping history, and not giving her best prices on items that she is likely to buy. She opened another account with the company using the computer at her work place. From her new account on her workplace computer, she looked up the displayed price on 13 items which she already checked the day before from old account on her personal computer. The data is shown below. {The prices are in Dollars! Item Old account New account 1 27.61 27.55 2 10.29 10.19 3 52.20 52.19 4 33.89 33.87 5 340.49 340.99 6 65.34 65.29 7 54.69 54.64 8 15.23 15.21 9 102.19 102.09 10 4.88 4.89 11 161.39 161.35 12 12.51 12.49 13 96.99 96.96 Find the appropriate statistical method to solve this problem. Report your analysis. What can you conclude about the student's suspicion on the e-commerce company's pricing practice